Keyboard assembly



FIG. 1 is a front perspective view of a keyboard assembly;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a rear-side view thereof; and,

FIG. 7 is a front-side view thereof.

The broken lines shown in the drawings represent unclaimed portions of the keyboard assembly and form no part of the claimed design. 

CLAIM The ornamental design for a keyboard assembly, as shown and described. 